The sfJunaioChannelPlugin serves as Junaio Channel and provides
POI data, which is managed with the sfJunaioBackendPlugin.
You need a Junaio Developer Account, which can created here:
http://www.junaio.com/publisher

Limits on the length of user input are a fact of life. But the
textarea HTML tag is notorious for its lack of support for such limits.
sfLimitedTextareaPlugin provides both a hard limit and visual feedback
as the user begins to approach the limit.